STMicroelectronics
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
ST232ACN
Zobrazit detail DataSheets

ST232ACN

Product Overview

Category

ST232ACN belongs to the category of integrated circuits (ICs).

Use

It is commonly used for voltage level translation and signal conditioning in serial communication applications.

Characteristics

  • Voltage level translation: ST232ACN converts signals between different voltage levels, enabling communication between devices with incompatible voltage levels.
  • Signal conditioning: It ensures proper signal integrity by buffering and amplifying weak or distorted signals.
  • Package: ST232ACN is available in a 16-pin DIP (Dual Inline Package) format.
  • Essence: The essence of ST232ACN lies in its ability to facilitate reliable and efficient serial communication.

Packaging/Quantity

ST232ACN is typically packaged in tubes or reels, with quantities varying based on customer requirements.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Data Rate: Up to 120 kbps
  • Number of Channels: 2
  • Operating Temperature Range: -40°C to +85°C
  • Input/Output Logic Levels: TTL/CMOS compatible

Detailed Pin Configuration

  1. VCC - Power supply voltage input
  2. GND - Ground reference
  3. T1IN - Transmit data input for Channel 1
  4. T1OUT - Transmit data output for Channel 1
  5. R1OUT - Receive data output for Channel 1
  6. R1IN - Receive data input for Channel 1
  7. T2IN - Transmit data input for Channel 2
  8. T2OUT - Transmit data output for Channel 2
  9. R2OUT - Receive data output for Channel 2
  10. R2IN - Receive data input for Channel 2
  11. C1+ - Capacitor connection for Channel 1
  12. C1- - Capacitor connection for Channel 1
  13. C2- - Capacitor connection for Channel 2
  14. C2+ - Capacitor connection for Channel 2
  15. V+ - Positive voltage supply for charge pump
  16. V- - Negative voltage supply for charge pump

Functional Features

  • Voltage Level Translation: ST232ACN ensures seamless communication between devices operating at different voltage levels.
  • Signal Conditioning: It improves signal quality by amplifying weak signals and filtering out noise.
  • Dual Channels: The IC provides two independent channels, allowing simultaneous bidirectional communication.
  • Charge Pump: ST232ACN incorporates an internal charge pump circuitry to generate the required voltage levels.

Advantages and Disadvantages

Advantages

  • Wide supply voltage range allows compatibility with various systems.
  • High data rate capability enables fast serial communication.
  • Robust design ensures reliable operation in harsh environments.
  • Low power consumption makes it suitable for battery-powered applications.

Disadvantages

  • Limited number of channels may restrict its use in applications requiring more than two channels.
  • Relatively larger package size compared to surface-mount alternatives.

Working Principles

ST232ACN utilizes a charge pump circuit to generate the required voltage levels for voltage level translation. It employs a combination of capacitors and switches to convert the input voltage levels to the desired output levels. The IC also incorporates buffering and amplification stages to condition the signals before transmission or reception.

Detailed Application Field Plans

ST232ACN finds extensive application in various fields, including: - Serial communication interfaces (RS-232, RS-485) - Industrial automation systems - Telecommunication equipment - Embedded systems - Personal computers and peripherals

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ST232ACN are: - MAX232 - LTC232 - ADM232 - SP232

These models offer similar functionality and can be used as drop-in replacements for ST232ACN in most applications.

Word count: 520 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ST232ACN v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ST232ACN in technical solutions:

  1. Q: What is ST232ACN? A: ST232ACN is a dual driver/receiver IC (integrated circuit) commonly used for converting TTL/CMOS logic levels to RS-232 voltage levels.

  2. Q: What are the typical applications of ST232ACN? A: ST232ACN is often used in various applications such as serial communication interfaces, microcontroller-based systems, industrial automation, and embedded systems.

  3. Q: What is the operating voltage range of ST232ACN? A: The operating voltage range of ST232ACN is typically between 4.5V and 5.5V.

  4. Q: How many channels does ST232ACN support? A: ST232ACN supports two independent channels, allowing it to handle bidirectional communication on two separate lines.

  5. Q: What is the maximum data rate supported by ST232ACN? A: The maximum data rate supported by ST232ACN is typically around 120 kbps (kilobits per second).

  6. Q: Does ST232ACN require external capacitors? A: Yes, ST232ACN requires external capacitors for charge pump operation. Typically, four capacitors are needed for each channel.

  7. Q: Can ST232ACN be used with both RS-232 and TTL/CMOS devices? A: Yes, ST232ACN is designed to interface between RS-232 voltage levels and TTL/CMOS logic levels, making it compatible with both types of devices.

  8. Q: Is ST232ACN capable of driving long communication cables? A: Yes, ST232ACN has built-in drivers with high output current capability, allowing it to drive long communication cables without significant signal degradation.

  9. Q: Does ST232ACN provide any protection against electrostatic discharge (ESD)? A: Yes, ST232ACN incorporates ESD protection on all pins, providing a level of protection against ESD events.

  10. Q: Can ST232ACN be used in battery-powered applications? A: Yes, ST232ACN's low power consumption makes it suitable for battery-powered applications where power efficiency is important.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.